Digitaria abyssinica (A. Rich.) Stapf Digitaria abyssinica (A. Rich.) Stapf in Bull. Misc. Inform. Kew 1907: 213. 1907 sec. Dávila & al. 2018=Digitaria scalarum (Schweinf.) Chiov., Res. Sci. Somal. Ital. 1: 225. 1916 syn. sec. Govaerts 2013